Patents Assigned to Sumaspcae Limited
  • Highway construction
    Patent number: 3932051
    Abstract: The load bearing capacities of carriageways or pavements of both flexible and rigid design are increased and failure thereof is, to a large degree, obviated by incorporating therein a sub-surface or surface layer of alkali-resistant glass fibre-reinforced cement.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: January 13, 1976
    Assignee: Sumaspcae Limited
    Inventor: Michael Cleary